Details

Time bar (total: 33.6s)

sample260.0ms

Algorithm
intervals
Results
97.0ms87×body1280valid
87.0ms30×body2560valid
28.0ms58×body640valid
7.0ms95×body80valid
6.0ms23×body320valid
4.0ms59×body80nan
2.0ms11×body160valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
12515
25915
314015
434715
5151415
done500015

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
1.8b
(- (pow (+ 1.0 (/ i n)) n) 1.0)
6.4b
(pow (+ 1.0 (/ i n)) n)
10.7b
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

rewrite1.4s

Algorithm
rewrite-expression-head
Rules
320×times-frac
289×add-sqr-sqrt
198×*-un-lft-identity
140×add-cube-cbrt
96×associate-*r*
84×difference-of-squares
32×unpow-prod-down
29×sqr-pow
28×distribute-lft-out--
19×add-exp-log
18×add-cbrt-cube
17×div-inv
13×associate-/r*
pow1 associate-/l*
cbrt-undiv div-exp add-log-exp
pow-unpow associate-*l* prod-exp cbrt-unprod unswap-sqr
flip3-- associate-/r/ flip-- associate-/l/
pow-to-exp sub-neg pow-pow frac-2neg diff-log div-sub associate-*r/ pow-prod-down pow-exp clear-num *-commutative distribute-lft-out
Counts
4 → 281
Calls
4 calls:
552.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
272.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
29.0ms
(pow (+ 1.0 (/ i n)) n)
518.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

series1.9s

Counts
4 → 12
Calls
4 calls:
602.0ms
(* 100.0 (/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n)))
383.0ms
(- (pow (+ 1.0 (/ i n)) n) 1.0)
329.0ms
(pow (+ 1.0 (/ i n)) n)
547.0ms
(/ (- (pow (+ 1.0 (/ i n)) n) 1.0) (/ i n))

simplify1.2s

Counts
293 → 293
Iterations

Useful iterations: done (1.2s)

IterNodesCost
04376469
114166211
done50005919

prune2.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 21.7b

localize63.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
0.1b
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
11.1b
(* (pow i 2) (log 1.0))
19.6b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
144×times-frac
102×add-sqr-sqrt
87×add-cube-cbrt *-un-lft-identity
48×associate-*r*
23×add-exp-log
20×add-cbrt-cube
13×associate-/r*
11×associate-*l*
div-inv add-log-exp
pow1 unswap-sqr
cbrt-undiv log-prod div-exp prod-exp
unpow-prod-down cbrt-unprod
distribute-rgt-in distribute-lft-in sum-log associate-/l*
associate-/r/ *-commutative associate-/l/ unpow2 sqr-pow
+-commutative pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down pow-exp clear-num log-pow flip-- flip-+
Counts
4 → 186
Calls
4 calls:
36.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
486.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
34.0ms
(* (pow i 2) (log 1.0))
529.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

series1.0s

Counts
4 → 12
Calls
4 calls:
65.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
362.0ms
(* 100.0 (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n)))
287.0ms
(* (pow i 2) (log 1.0))
326.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ i n))

simplify829.0ms

Counts
198 → 198
Iterations

Useful iterations: done (814.0ms)

IterNodesCost
03386829
110236655
done50016143

prune1.7s

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 10.4b

localize42.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
0.1b
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
10.5b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
11.1b
(* (pow i 2) (log 1.0))

rewrite933.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
20×add-exp-log
18×add-cube-cbrt *-un-lft-identity
17×add-cbrt-cube
11×associate-*l*
10×pow1
times-frac add-log-exp
prod-exp
log-prod cbrt-unprod
associate-*r*
unpow-prod-down unswap-sqr
distribute-rgt-in distribute-lft-in pow-prod-down associate-/r* sum-log associate-/l*
cbrt-undiv div-exp *-commutative associate-/l/ unpow2 sqr-pow
+-commutative pow-to-exp associate-+r+ flip3-- frac-2neg flip3-+ div-sub associate-*r/ associate-*l/ pow-exp clear-num log-pow flip-- flip-+ div-inv
Counts
4 → 98
Calls
4 calls:
38.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
404.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
461.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
24.0ms
(* (pow i 2) (log 1.0))

series974.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n)))
360.0ms
(* 100.0 (* (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i) n))
231.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) i)
308.0ms
(* (pow i 2) (log 1.0))

simplify1.8s

Counts
110 → 110
Iterations

Useful iterations: 2 (584.0ms)

IterNodesCost
02102896
15482825
227392413
done50002413

prune787.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 10.4b

localize82.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt i)
7.1b
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ (cbrt i) n))
8.4b
(* (/ 1 (pow (cbrt i) 2)) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ (cbrt i) n)))
11.1b
(* (pow i 2) (log 1.0))

rewrite980.0ms

Algorithm
rewrite-expression-head
Rules
386×times-frac
321×add-sqr-sqrt
188×*-un-lft-identity
168×add-cube-cbrt
104×add-exp-log
94×cbrt-prod
75×associate-*r*
51×div-exp
48×unswap-sqr
45×associate-*l*
38×unpow-prod-down
33×prod-exp
29×add-cbrt-cube
22×associate-/r*
13×unpow2 sqr-pow
12×cbrt-undiv
10×pow-to-exp pow-exp div-inv
rec-exp 1-exp
pow1 cbrt-unprod
log-prod
add-log-exp
distribute-rgt-in distribute-lft-in associate-/l*
associate-/r/ *-commutative associate-/l/
frac-times flip3-- frac-2neg pow1/3 div-sub associate-*r/ pow-prod-down associate-*l/ clear-num log-pow flip--
Counts
4 → 354
Calls
4 calls:
1.0ms
(cbrt i)
412.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ (cbrt i) n))
508.0ms
(* (/ 1 (pow (cbrt i) 2)) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ (cbrt i) n)))
31.0ms
(* (pow i 2) (log 1.0))

series1.1s

Counts
4 → 12
Calls
4 calls:
258.0ms
(cbrt i)
278.0ms
(/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ (cbrt i) n))
284.0ms
(* (/ 1 (pow (cbrt i) 2)) (/ (- (+ (* 1.0 i) (+ (* 0.5 (pow i 2)) (* (log 1.0) n))) (* 0.5 (* (pow i 2) (log 1.0)))) (/ (cbrt i) n)))
247.0ms
(* (pow i 2) (log 1.0))

simplify971.0ms

Counts
366 → 366
Iterations

Useful iterations: done (954.0ms)

IterNodesCost
056816027
1198315372
done500114254

prune2.3s

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 10.4b

regimes762.0ms

Accuracy

46.4% (12.2b remaining)

Error of 23.4b against oracle of 11.1b and baseline of 34.0b

bsearch679.0ms

Steps
ItersRangePoint
7
1.2646612175373838e-175
6.651096339829762e-174
2.1282130468923694e-175
9
-5.259837781237774e-183
-5.703441385580287e-192
-5.8053964764311714e-192
8
-1.1067698676223754e+18
-1112375351328255.6
-5.024789071547713e+16
7
-8.687437031435021e+70
-1.5421164969392891e+69
-8.946323817142764e+69
6
-4.951685707263575e+118
-5.329286401239366e+117
-5.454213675553863e+117

simplify11.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
056171
175171
done75171

end0.0ms

sample8.5s

Algorithm
intervals
Results
2.7s2476×body1280valid
2.7s994×body2560valid
1.3s1654×body640valid
736.0ms3091×body80valid
265.0ms819×body320valid
126.0ms2201×body80nan
72.0ms433×body160valid
26.0msbody5120valid